ul,ol {
    margin: 0;
    padding: 0;
    list-style: none;
}
.nav{
    border-top:1px
    solid #a09c9c;
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: .5em 0;
}
.nav > ul {
    display: flex;
    flex-direction: row;
}
.nav > ul >li {
    flex: 1;
    text-align: center;
    cursor: pointer;
}